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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1401313Generated: October 30, 2026

Diisopropylethylamine → tert-Butyl (6-(7-(2-Fluoro-4-(1-(4-fluorophenylcarbamoyl)-cyclopropanecarboxamido)phenoxy)thieno[3,2-b]pyridin-2-yl)pyridin-3-yl)methyl(2-methoxyethyl)carbamate

https://huagongshe.com/reaction/1401313

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisopropylethylamineHCID 81531—
ReactantMethanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 9886157—
Reactant1-[(4-Fluorophenyl)carbamoyl]cyclopropanecarboxylic AcidHCID 21081530—
Reactant4-[[2-[5-[[Boc(2-methoxyethyl)amino]methyl]-2-pyridyl]-7-thieno[3,2-b]pyridyl]oxy]-3-fluoroanilineHCID 57919472—
SolventDimethylformamideHCID 6228—
SolventEthyl AcetateHCID 8857—
Producttert-Butyl (6-(7-(2-Fluoro-4-(1-(4-fluorophenylcarbamoyl)-cyclopropanecarboxamido)phenoxy)thieno[3,2-b]pyridin-2-yl)pyridin-3-yl)methyl(2-methoxyethyl)carbamateHCID 5791956774.7%

Reaction Steps

To intermediate 13 (0.58 g, 1.1 mmol) and DIPEA (0.58 mL, 0.43 g, 3.3 mmol) in dry DMF (20 mL) was added 1-(4-fluorophenylcarbamoyl)cyclopropanecarboxylic acid (16) [US 2007/0004675 A1] (0.35 g, 1.5 mmol) and HATU (0.72 g, 1.9 mmol). The mixture was stirred at r.t. for 18 h and partitioned between ethyl acetate and water. The organic phase was collected, washed with water, 1M NaOH, brine, dried (anhydrous MgSO4), filtered, and concentrated. Silica gel chromatography (ethyl acetate) afforded intermediate 17 (0.60 g, 74% yield). 1H NMR (400 MHz, DMSO-d6) δ (ppm): 10.40 (s, 1H), 10.01 (s, 1H), 8.52-8.49 (m, 2H), 8.33 (s, 1H), 8.27-8.24 (m, 1H), 7.92-7.88 (m, 1H), 7.78 (dd, J=8.2, 2.1 Hz, 1H) 7.65-7.60 (m, 2H), 7.52-7.42 (m, 2H), 7.14 (t, J=8.8 Hz, 2H), 6.65 (d, J=5.1 Hz 1H), 4.47 (s, 2H), 3.42-3.30 (m, 4H), 3.22 (s, 3H), 1.46-1.30 (m, 13H). MS (m/z): 730.1 (M+H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08907091B2
Source datasetuspto-grants-2014_12
ORD IDord-99635b95a503457ea2c50af56d3c1176
Source noteuspto-grants-2014_12